$.[1$pt$]$ Data Structures $($Queues$)$: On the right is a series of operations performed on a queue.

What will be the contents of the queue $($from front to back$)$ after the given sequence? Circle

ONE.

a$.1,6$

b$.2,1$

c$.2,6$

d$.2,5,1$

e$.5,1,4$

Queue q $=$ new Queue$()$;

q$.$enqueue$(2)$;

q$.$enqueue$(5)$;

if $($q$.$peek$()>3)$

q$.$dequeue$()$;

q$.$enqueue$(1)$;

q$.$enqueue$(4)$;